Tektronix RSA6100A Series, Руководство пользователя

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RF Measurements > Settling Time Displays Settling Time Displays
6. Press the front-panel Freq button and use the front-panel keypad or knob to adjust the frequency to
that of the signal you want to measure.
7. Select the Trig button.
8. In the Trigger control panel, select Triggered. Con fi gure the trigger settings an needed to achieve a
triggered signal.
For the next step in measuring settling time, you must set the starting point of the measurement. To do
this, you will use the Time Overview display.
9. Select the Time Overview display.
10. At the left edge of the graph, drag across the graph to adjust the analysis offset. Adjust the Analysis
Offset to locate the start of the settling time measurement just ahead of the signal transition where
you want to measure the settling time. Any portion of the signal in the gray area will be excluded
from the settling time measurement.
Setting the starting point of the settling time measurement
Even if the signal transition is dif fi cult to see on the Time Overview display, you can set the starting
point based on the location of the Trigger indicator below the graph. Or open the Frequency vs. Time
graph to see the frequency transition.
11. Click in the Settling Time display to select it.
12. Select the Settings button to display the Settling Time Settings control panel.
13. On the De fi ne tab, adjust the Meas BW (see page 191) to improve the signal-to-noise ratio as
appropriate. Make sure the bandwidth covers the settled frequency, particularly when the instrument
RSA6100A Series Real-Time Spectrum Analyzers Help
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